Question

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The perimeter of a rectangular field is 300 yards. If the width of the field is 57 yards, what is its length?

Answer 1

Explanation:

the perimeter of a rectangle : it is the distance when going around the whole rectangle once.

so, it is

2×length + 2×width

300 = 2×length + 2×57 = 2×length + 114

2×length = 300 - 114 = 186

length = 186/2 = 93 yards

Answer 2

`P=2L+2W`

`300=2L+2 \cdot 57`

`300=2L+114`

`2L=300 - 114`

`2L=186`

`L=(186)/(2) = 93`

proof:

`300=2\cdot 57+2 \cdot 93`

`300 = 114 + 186`

`300 = 300`

I Hope I helped you!